McHenry County, Illinois — public water systems
192 active public water systems serve McHenry County, reporting 255.5K people served.
Dataset updated . Source: EPA SDWIS/ECHO, refreshed quarterly.
Active systems
192
Population served
255.5K
Community systems
29
Groundwater share
100%
Water systems in McHenry County
🔒 Create a free account to export CSV| # | Water system | County | Population served | Type | Source |
|---|---|---|---|---|---|
| 1 | Crystal Lake | McHenry | 40,661 | Community | Groundwater |
| 2 | Algonquin | McHenry | 30,700 | Community | Groundwater |
| 3 | Lake in the Hills | McHenry | 28,661 | Community | Groundwater |
| 4 | Huntley | McHenry | 28,495 | Community | Groundwater |
| 5 | Woodstock | McHenry | 25,630 | Community | Groundwater |
| 6 | Mchenry | McHenry | 22,335 | Community | Groundwater |
| 7 | Cary | McHenry | 17,826 | Community | Groundwater |
| 8 | Harvard | McHenry | 9,469 | Community | Groundwater |
| 9 | Marengo | McHenry | 7,572 | Community | Groundwater |
| 10 | Fox River Grove | McHenry | 4,702 | Community | Groundwater |
| 11 | Lakewood | McHenry | 4,267 | Community | Groundwater |
| 12 | Wonder Lake | McHenry | 3,870 | Community | Groundwater |
| 13 | Richmond | McHenry | 2,089 | Community | Groundwater |
| 14 | Wonder Lake (Niu) | McHenry | 1,950 | Community | Groundwater |
| 15 | Aqua Illinois-Mchenry Shores | McHenry | 1,862 | Community | Groundwater |
| 16 | Hebron | McHenry | 1,368 | Community | Groundwater |
| 17 | Johnsburg No.2 | McHenry | 1,124 | Community | Groundwater |
| 18 | Prairie Grove School | McHenry | 1,050 | Non-transient non-community | Groundwater |
| 19 | Oakbrook Estates MHP | McHenry | 1,012 | Community | Purchased groundwater |
| 20 | Prairie Path Water Company-Holiday Hills | McHenry | 868 | Community | Groundwater |
| 21 | Aqua Illinois-Crystal Clear Water Co. | McHenry | 855 | Community | Groundwater |
| 22 | Aqua Illinois-Eastwood Manor | McHenry | 728 | Community | Groundwater |
| 23 | Snap on Tools | McHenry | 700 | Non-transient non-community | Groundwater |
| 24 | Il American-Terra Cotta | McHenry | 681 | Community | Groundwater |
| 25 | Union | McHenry | 594 | Community | Groundwater |
| 26 | Johnsburg Jr High School | McHenry | 575 | Non-transient non-community | Groundwater |
| 27 | Spring Grove Elementary School | McHenry | 500 | Non-transient non-community | Groundwater |
| 28 | St Peters Church | McHenry | 500 | Transient non-community | Groundwater |
| 29 | Lippold Park Con Softball Boncosky | McHenry | 500 | Transient non-community | Groundwater |
| 30 | Aqua Illinois-Nunda | McHenry | 485 | Community | Groundwater |
| 31 | Illinois Turner Camp Pool | McHenry | 400 | Transient non-community | Groundwater |
| 32 | Greenwood School | McHenry | 400 | Non-transient non-community | Groundwater |
| 33 | Resurrection Church | McHenry | 350 | Transient non-community | Groundwater |
| 34 | Christ the King Church | McHenry | 300 | Transient non-community | Groundwater |
| 35 | Cafe 31 North | McHenry | 300 | Transient non-community | Groundwater |
| 36 | Valley View School | McHenry | 300 | Non-transient non-community | Groundwater |
| 37 | Northwestern Medicine Woodstock Hospital | McHenry | 300 | Non-transient non-community | Purchased groundwater |
| 38 | Scot Forge | McHenry | 253 | Non-transient non-community | Groundwater |
| 39 | Crystal Creek Farm | McHenry | 251 | Transient non-community | Groundwater |
| 40 | Shiloh Church | McHenry | 250 | Transient non-community | Groundwater |
| 41 | Crystal Lake Park D/W Herrick | McHenry | 250 | Transient non-community | Groundwater |
| 42 | Riley Community School | McHenry | 220 | Non-transient non-community | Groundwater |
| 43 | Riverside Pub | McHenry | 220 | Transient non-community | Groundwater |
| 44 | Kingdom Hall of Jehovahs Witnesses | McHenry | 219 | Transient non-community | Groundwater |
| 45 | Itw Medical | McHenry | 200 | Non-transient non-community | Groundwater |
| 46 | Crystal Lake Montessori | McHenry | 200 | Non-transient non-community | Groundwater |
| 47 | Orchard Fun, LLC (Cider & Bakery) | McHenry | 200 | Transient non-community | Groundwater |
| 48 | Big Foot Inn | McHenry | 200 | Transient non-community | Groundwater |
| 49 | Banquetes Y Cocina | McHenry | 200 | Transient non-community | Groundwater |
| 50 | Pioneer Center for Human Services | McHenry | 200 | Transient non-community | Groundwater |